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8/18
Tuesday, August 18, 2015
1:50 PM
PRESSURE WAVES
WHAT IS SOUND?
- propagation (travel) of a pressure wave in space & time
- pressure waves are usually propagated through air
- propagation: a disturbance is being forced to move from one place to anothe

Exam 1
Wednesday, September 16, 2015
9:48 AM
Pressure Waves
Define propagation, medium, elasticity, mass, inertia, compression, rarefaction,
and oscillation
Propagation: a disturbance in air molecules is being forced to move from
one place to another
S